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鸡新城疫病毒CC株毒力返强试验 被引量:1

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摘要 将CC株在鸡胚尿囊腔连续传10代,在鸡胚成纤维细胞上连续传15代,在鸡体上连续传8代,观察其对鸡胚,鸡胚成纤维细胞和鸡体毒力及病毒含量的变化,对鸡体传代毒进行F基因序列测定。结果表明,CC株经鸡胚尿囊腔传10代,红细胞凝集价和EID50病毒含量没有显著变化;经鸡胚成纤维细胞传15代,成纤维细胞的病变和TCID50病毒含量没有显著变化;经鸡体传8代,鸡体健康存活,回收毒对成纤维细胞的感染没有显著变化,TCID50病毒含量降低,PCR检测F基因阳性,8代毒F基因核苷酸序列仍与传代前的CC株相同。
出处 《中国畜禽种业》 2011年第7期147-148,共2页 The Chinese Livestock and Poultry Breeding
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